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If you dont have control over these links then I wouldnt waste my time trying to remove them. A better use of your time would be creating higher quality relevant links which will eventually dilute the bad profile that you currently have.

Hi Marcus, At the end of the day it's your call. It's risk vs reward. Google does always advise that paid links should be no followed. They are going to be obvious that they are paid for, it depends how likely you think they are to be flagged up to Google. Don't forget that if your competitors see these links they may report you which could result in these being flagged up. Best advice is nofollow. No link is not advisable as you will lose a large percentage of visitors when they can't click through. Ben

If these are new sites they will be passing very little authority, these will also be site wide links. If you are going to do it then id "nofollow" them.

Are your blog and your shop on the same domain?

Hi Marcus, I would probably recommend the same answer that I gave to your other question. If the link could be viewed as paid for a nofollow tag is safest. Are you paying for these articles to be syndicated? I would say it would really depend on how the syndication process worked as to how careful you needed to be. Ben

No worries. Excessive anchor text is punishable. Its just one.

Try your best to remove them and if you receive a message from Webmaster Tools, you would need to let them know in good detail why and who is trying to do this.